b'SW-NC/FL-NCFO SERIESN O N S L A M N O Z Z L E C H E C K VA LV ES W- N C / F L - N C F O S E R I E SDESIGN FEATURES DesigntoAPI6DandFacetoFaceDistanceaspermanufacturersstandards. Fastactingspringpreventswaterhammerandpressuresurge,thisisatrulyNonSlamCheckValve. ShortTravelandUltraLightweightDiscmaketheadvantagesofNonSlamCheckValvespossible&reduceswaterhammering.Quickclosingandfasttravellingdiscarethefundamentaldesignfeatures. HighVelocityandGasFlowundercompressedconditionscanreachsonicvelocityandthesonicboomsaredetrimentaltothevalvesoperation.Thesimplebutpreciselycalculatedspringdesignovercomesthisproblem. Bernoullisequationofconservationofenergyisthesolutionforspringdesign.VelocityheadexchangestheenergywithPressureHeadandtheSupercheckNonSlamCheckkeepsonperformingwithoutthefearofsonicboomandvalvesofferlowPressureDropwhencomparedtoDualPlateCheckValvesstaticpressure.Droppingthevelocityheadatvenacontractaincreasesstaticpressurereducingcavitation.SinglepiecebodyconstructionallowsHighPressureApplicationsandNonSlamNozzleCheckValvesareinherentlyFireSafe.PRODUCT RANGE CHARACTERISTICS Rating:ANSIClass150,300,600,900,1500&2500&upto10,000psi.NonSlamClosureMaterial:ASTMA105, A182,Gr.LF2,Gr.F316,Gr.F51,Gr.F55etc. ExtremelyquickClosureDesignedusingComputationalFluidDynamics(CFD) LowPressureLoss Lowheadloss&minimumpressurelosscanbeachieved. ShortstrokeofdiscMetaltoMetalseateddesign.Axial movement of discConicalseatingsurfaceisselfaligning&providestightshutoff. Discsminimalwearcharacteristics Springloadeddiscdesignallowsmountinginanyorientation.APPLICATIONS FL-NCFO Series Chemical,Oil&GasIndustriesResidualHeatRemovalSystems1Body NuclearPowerPlants1 2Diffuser Offshore&OnshoreProductionPlatform,FPSO3Disc ContainmentIsolation2 4Seat Water,Steam,Gas,Vacuum5 SteamInjectionSystems3 5Spring PowerStation,WaterPumpingStationsNaturalGas,Refineries4 CriticalEquipmentDischargeGasCompressorUnitCrackerPlantsINSTALLATIONNOZZLECHECKVALVEFLANGEDENDNOZZLECHECKVALVEHUBEND FLOW FLOWSUPERCHECK - Check Valves - Wafer Style 45'